For the online dater on a budget, there's some good news. The first 10,000 people who register on CompatiblePartners.net will receive a free six-month membership, according to eHarmony. After that, the monthly fees start up.

Of course, for the LGBT users who are really low on cash (or perhaps a tad spiteful toward eHarmony), PlentyofFish.com and OKCupid are free and offer same-sex matches.